.page-privacy {
  --prv-measure: 68ch;
  --prv-dot: 4px;
  background: var(--c-pitch);
  color: var(--c-lamp);
  padding-bottom: 8px;
}

/* ---------- 头部区 ---------- */
.page-privacy .prv-hero {
  display: grid;
  gap: 36px;
  padding: 32px 0 56px;
}

.page-privacy .prv-hero-text {
  min-width: 0;
}

.page-privacy .prv-title {
  margin: 10px 0 0;
  font-size: clamp(42px, 8vw, 92px);
  font-weight: 250;
  line-height: 0.98;
  letter-spacing: -0.03em;
  color: var(--c-lamp);
}

.page-privacy .prv-lede {
  max-width: 42ch;
  margin-top: 22px;
  color: var(--c-mist);
}

.page-privacy .prv-meta {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 26px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-mist);
}

.page-privacy .prv-meta::before {
  content: "";
  flex: 0 0 auto;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--c-neon);
}

.page-privacy .prv-hero-media {
  position: relative;
  margin: 0;
  aspect-ratio: 2 / 1;
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--c-room);
}

.page-privacy .prv-hero-media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-privacy .prv-hero-media::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(53, 242, 208, 0.1), rgba(6, 26, 21, 0.62));
  pointer-events: none;
}

.page-privacy .prv-hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background-image:
    repeating-linear-gradient(0deg, transparent 0 47px, var(--c-grid) 47px 48px),
    repeating-linear-gradient(90deg, transparent 0 47px, var(--c-grid) 47px 48px);
  opacity: 0.45;
  pointer-events: none;
}

/* ---------- 双栏骨架 ---------- */
.page-privacy .prv-layout {
  display: grid;
  gap: 44px;
  padding-bottom: 40px;
}

/* ---------- 章节索引 ---------- */
.page-privacy .prv-index {
  min-width: 0;
}

.page-privacy .prv-index-title {
  margin: 0 0 14px 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-mist);
}

.page-privacy .prv-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-privacy .prv-index-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px 10px 12px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  line-height: 1.45;
  color: var(--c-mist);
  text-decoration: none;
  transition: background-color 180ms var(--ease), color 180ms var(--ease);
}

.page-privacy .prv-index-link::before {
  content: "";
  flex: 0 0 auto;
  width: 3px;
  height: 14px;
  border-radius: 2px;
  background: var(--c-grid);
  transition: background-color 180ms var(--ease), height 180ms var(--ease);
}

.page-privacy .prv-index-link:hover,
.page-privacy .prv-index-link:focus-visible {
  background: var(--c-pill);
  color: var(--c-lamp);
}

.page-privacy .prv-index-link:hover::before,
.page-privacy .prv-index-link:focus-visible::before {
  background: var(--c-neon);
  height: 22px;
}

.page-privacy .prv-index-num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: var(--c-neon);
}

.page-privacy .prv-index-note {
  margin: 22px 6px 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-mist);
}

/* ---------- 正文窄栏 ---------- */
.page-privacy .prv-body {
  min-width: 0;
  max-width: var(--prv-measure);
  color: var(--c-lamp);
}

.page-privacy .prv-sec {
  position: relative;
  padding: 0 0 64px 28px;
}

.page-privacy .prv-sec::before {
  content: "";
  position: absolute;
  left: var(--prv-dot);
  top: 13px;
  width: 11px;
  height: 11px;
  box-sizing: border-box;
  border-radius: 50%;
  border: 2px solid var(--c-grid);
  background: var(--c-pitch);
  transition: background-color 200ms var(--ease), border-color 200ms var(--ease), box-shadow 200ms var(--ease);
}

.page-privacy .prv-sec::after {
  content: "";
  position: absolute;
  left: 9px;
  top: 25px;
  bottom: 0;
  width: 1px;
  background: var(--c-grid);
}

.page-privacy .prv-sec:last-child::after {
  display: none;
}

.page-privacy .prv-sec:target::before {
  background: var(--c-neon);
  border-color: var(--c-neon);
  box-shadow: 0 0 0 7px rgba(53, 242, 208, 0.12);
}

.page-privacy .prv-sec-title {
  margin: 0 0 20px;
  font-size: clamp(24px, 3.6vw, 36px);
  font-weight: 600;
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--c-lamp);
}

.page-privacy .prv-sub {
  margin: 32px 0 0;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--c-lamp);
}

.page-privacy .prv-sub::before {
  content: "—";
  margin-right: 8px;
  font-weight: 400;
  color: var(--c-neon);
}

.page-privacy .prv-p {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-lamp);
}

.page-privacy .prv-p .link {
  color: var(--c-neon);
}

/* ---------- 强调区块 ---------- */
.page-privacy .prv-note {
  margin: 34px 0 0;
  padding: 24px 26px;
  border-radius: var(--radius-card);
  background: var(--c-glow);
  color: var(--c-room);
}

.page-privacy .prv-note-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-pitch);
}

.page-privacy .prv-note p:not(.prv-note-title) {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-room);
}

/* ---------- 条目行 ---------- */
.page-privacy .prv-rows {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
}

.page-privacy .prv-rows li {
  display: grid;
  gap: 7px;
  padding: 16px 0;
  border-top: 1px solid var(--c-grid);
}

.page-privacy .prv-rows li:last-child {
  border-bottom: 1px solid var(--c-grid);
}

.page-privacy .prv-row-key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.07em;
  color: var(--c-neon);
}

.page-privacy .prv-row-val {
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-lamp);
  overflow-wrap: anywhere;
}

.page-privacy .prv-contact .prv-row-key {
  color: var(--c-whistle);
}

/* ---------- 回到页首 ---------- */
.page-privacy .prv-topline {
  margin: 40px 0 0;
}

.page-privacy .prv-top-btn {
  display: inline-block;
  text-decoration: none;
}

.page-privacy .prv-top-btn:focus-visible {
  outline: 2px solid var(--c-neon);
  outline-offset: 3px;
}

/* ---------- 收口曲线 ---------- */
.page-privacy .prv-outro {
  margin-top: 40px;
  color: var(--c-grid);
}

.page-privacy .prv-outro svg {
  display: block;
  width: 100%;
  height: 54px;
}

/* ---------- 窄屏修正 ---------- */
@media (max-width: 520px) {
  .page-privacy .prv-sec {
    padding-left: 22px;
  }

  .page-privacy .prv-note {
    padding: 20px 18px;
  }

  .page-privacy .prv-hero-media {
    aspect-ratio: 3 / 2;
  }
}

/* ---------- 中屏 ---------- */
@media (min-width: 640px) {
  .page-privacy .prv-rows li {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-privacy .prv-hero {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
    align-items: end;
    gap: 60px;
    padding: 48px 0 76px;
  }

  .page-privacy .prv-sec {
    padding-left: 40px;
  }

  .page-privacy .prv-outro svg {
    height: 70px;
  }
}

@media (min-width: 1040px) {
  .page-privacy .prv-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 80px;
  }

  .page-privacy .prv-index {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    max-height: calc(100vh - var(--header-h) - 56px);
    overflow-y: auto;
  }
}
<<<END>>>